Home / 13,498.22-20,253.48-6,929.02

Finding the Fourth Proportional to 13,498.22, 20,253.48 and 6,929.02

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Solution

The fourth proportional to 13,498.22, 20,253.48 and 6,929.02 is: 10,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.22 : 20,253.48 = 6,929.02 : x
  2. Step 2: Convert to fraction form
    13,498.22/20,253.48 = 6,929.02/x
  3. Step 3: Cross multiply
    13,498.22x = 20,253.48 × 6,929.02
  4. Step 4: Simplify right side
    13,498.22x = 140,336,767.99
  5. Step 5: Solve for x
    x = 140,336,767.99/13,498.22
  6. Step 6: Final answer
    x = 10,396.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.